Home / 1,040,120.40-1,560,231.80-542,456.40

Finding the Fourth Proportional to 1,040,120.40, 1,560,231.80 and 542,456.40

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Solution

The fourth proportional to 1,040,120.40, 1,560,231.80 and 542,456.40 is: 813,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,120.40 : 1,560,231.80 = 542,456.40 : x
  2. Step 2: Convert to fraction form
    1,040,120.40/1,560,231.80 = 542,456.40/x
  3. Step 3: Cross multiply
    1,040,120.40x = 1,560,231.80 × 542,456.40
  4. Step 4: Simplify right side
    1,040,120.40x = 846,357,725,393.52
  5. Step 5: Solve for x
    x = 846,357,725,393.52/1,040,120.40
  6. Step 6: Final answer
    x = 813,711.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.